參數(shù)資料
型號(hào)： SN75157P
廠商： Texas Instruments
文件頁(yè)數(shù)： 8/14頁(yè)
文件大?。?/td> 0K
描述： IC DUAL DIFF LINE REC 8-DIP
標(biāo)準(zhǔn)包裝： 50
類型： 線路接收器
驅(qū)動(dòng)器/接收器數(shù)： 0/2
規(guī)程： RS422，RS423
電源電壓： 4.75 V ~ 5.25 V
安裝類型： 通孔
封裝/外殼： 8-DIP（0.300"，7.62mm）
供應(yīng)商設(shè)備封裝： 8-PDIP
包裝： 管件
產(chǎn)品目錄頁(yè)面： 912 (CN2011-ZH PDF)
其它名稱： 296-6838-5
SN75157
DUAL DIFFERENTIAL LINE RECEIVER
SLLS084C – SEPTEMBER 1980 – REVISED MARCH 1997
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage, common-mode input
voltage, and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIT
Input threshold voltage (VIT and VIT )
– 0.2
0.2
V
VIT
Input threshold voltage (VIT + and VIT –)
See Note 3
– 0.4
0.4
V
Vhys
Hysteresis voltage (VIT + – VIT –)
70
mV
VOH
High-level output voltage
VID = 0.2 V,
IO = – 1 mA
2.5
3.5
V
VOL
Low-level output voltage
VID = – 0.2 V,
IO = 20 mA
0.35
0.5
V
II
Input current
VCC = 0 to 5.5 V,
VI = 10 V
1.1
3.25
mA
II
Input current
CC
,
See Note 4
VI = – 10 V
– 1.6
– 3.25
mA
IOS
Short-circuit output current§
VO = 0,
VID = 0.2 V
–40
–75
– 100
mA
ICC
Supply current
VID = – 0.5 V,
No load
35
50
mA
The algebraic convention, where the less positive (more negative) limit is designated as minimum, is used in this data sheet for threshold levels
only.
All typical values are at VCC = 5 V, TA = 25°C.
§ Only one output should be shorted at a time and duration of the short circuit should not exceed one second.
NOTES:
3. The expanded threshold parameter is tested with a 500-
resistor in series with each input.
4. The input not under test is grounded.
switching characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tPLH
Propagation delay time, low- to high-level output
CL =15 pF
See Figure 1
15
25
ns
tPHL
Propagation delay time, high- to low-level output
CL = 15 pF,
See Figure 1
13
25
ns
PARAMETER MEASUREMENT INFORMATION
0.5 V
Input
(see Note B)
– 0.5 V
Output
50%
tPLH
tPHL
1.5 V
VOLTAGE WAVEFORMS
TEST CIRCUIT
VCC +
Output
392
Input
51
CL = 15 pF
(see Note A)
3.92 k
NOTES: A. CL includes probe and jig capacitance.
B. The input pulse is supplied by a generator having the following characteristics: tr ≤ 5 ns, tf ≤ 5 ns, PRR ≤ 5 MHz, duty cycle = 50%.
Figure 1. Test Circuit and Voltage Waveforms
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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SN75157PSR 功能描述:RS-422接口集成電路 Dual Differential Line Receiver RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率: 工作電源電壓:5 V 電源電流:35 mA 工作溫度范圍: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-16 封裝:Tube
SN75157PSRE4 功能描述:RS-485接口IC Dual Differential Line Receiver RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
SN75157PSRG4 功能描述:RS-485接口IC Dual Differential Line Receiver RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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